TY  - JOUR
U1  - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed)
A1  - Weiss, Stephanie
A1  - Seidl, Regina
A1  - Kessler, Waltraud
A1  - Kessler, Rudolf
A1  - Zikulnig-Rusch, Edith
A1  - Kandelbauer, Andreas
T1  - Multivariate process trajectories for molecular description of MF thermal curing and correlation with hydrolytic stability
JF  - Journal of applied polymer science
N2  - During curing of thermosetting resins the technologically relevant properties of binders and coatings develop. However, curing is difficult to monitor due to the multitude of chemical and physical processes taking place. Precise prediction of specific technological properties based on molecular properties is very difficult. In this study, the potential of principal component analysis (PCA) and principal component regression (PCR) in the analysis of Fourier transform infrared (FTIR) spectra is demonstrated using the example of melamine-formaldehyde (MF) resin curing in solid state. FTIR/PCA-based reaction trajectories are used to visualize the influence of temperature on isothermal cure. An FTIR/PCR model for predicting the hydrolysis resistance of cured MF resin from their spectral fingerprints is presented which illustrates the advantages of FTIR/PCR compared to the combination differential scanning calorimetry/isoconversional kinetic analysis. The presented methodology is transferable to the curing reactions of any thermosetting resin and can be applied to model other technologically relevant final properties as well.
KW  - coatings
KW  - crosslinking
KW  - resins
KW  - spectroscopy
KW  - thermosets
Y1  - 2021
UN  - https://nbn-resolving.org/urn:nbn:de:bsz:rt2-opus4-30781
SN  - 0021-8995
SS  - 0021-8995
U6  - https://doi.org/10.1002/app.50635
DO  - https://doi.org/10.1002/app.50635
VL  - 138
IS  - 27
SP  - 1
EP  - 15
S1  - 15
PB  - Wiley
CY  - New York
ER  -